Keychain tool



FIG. 1 is a front perspective view of the keychain tool of my new design;

FIG. 2 is a perspective view thereof, illustrating a ruler being rotated with respect to the keychain tool;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines represent unclaimed portions of the design article. All of the broken lines forms no part of the claimed design. 

CLAIM The ornamental design for a keychain tool, as shown and described. 